6F48

Structure of quinolinate synthase with reaction intermediates X and Y


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4P3X 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION7.1298PEG33500, ammonium sulfate, oxaloacetate, DHAP, NaF, Bis Tris propane, anaerobic
Crystal Properties
Matthews coefficientSolvent content
2.2946.37

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 55.5α = 90
b = 48.95β = 107.27
c = 61.25γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 4M2016-12-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE MASSIF-30.96770ESRFMASSIF-3

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.537.5498.80.0520.0590.0280.99816.84.449728
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.51.5599.30.9071.0320.4880.7194.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT4P3X1.537.547225249998.620.13650.13430.1789RANDOM27.231
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
2.21-1.27-1.34-0.07
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.486
r_sphericity_free27.255
r_dihedral_angle_4_deg17.547
r_sphericity_bonded13.535
r_dihedral_angle_3_deg12.388
r_dihedral_angle_1_deg5.22
r_rigid_bond_restr1.75
r_angle_refined_deg1.497
r_angle_other_deg1.142
r_chiral_restr0.098
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.486
r_sphericity_free27.255
r_dihedral_angle_4_deg17.547
r_sphericity_bonded13.535
r_dihedral_angle_3_deg12.388
r_dihedral_angle_1_deg5.22
r_rigid_bond_restr1.75
r_angle_refined_deg1.497
r_angle_other_deg1.142
r_chiral_restr0.098
r_bond_refined_d0.011
r_gen_planes_refined0.006
r_gen_planes_other0.003
r_bond_other_d0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2387
Nucleic Acid Atoms
Solvent Atoms317
Heterogen Atoms43

Software

Software
Software NamePurpose
XDSdata reduction
Aimlessdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
PHASERphasing